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Murray, Nancy; Tietjen, Karen – Society for Research on Educational Effectiveness, 2014
From 2000 to 2011, the number of children out of school worldwide has decreased from 102 million to 57 million--a reduction of almost 50 percent (Millennium Development Goals Report, 2013). However, many children in developing countries do not complete primary or secondary cycles once they enroll; out of the 137 million children who entered first…
Descriptors: Dropout Prevention, Intervention, Dropout Rate, Elementary School Students
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Hedges, Larry V.; Hedberg, E. C. – Evaluation Review, 2013
Background: Cluster-randomized experiments that assign intact groups such as schools or school districts to treatment conditions are increasingly common in educational research. Such experiments are inherently multilevel designs whose sensitivity (statistical power and precision of estimates) depends on the variance decomposition across levels.…
Descriptors: Correlation, Multivariate Analysis, Educational Experiments, Statistical Analysis